Update Twitter banner background using Will Burn’s Colorfulgradients.

Generate Image

request = require "request"
cheerio = require "cheerio"
URL = "//colorfulgradients.tumblr.com/random"

module.exports = (cb) ->
  request URL, (err, res, html) ->
  $ = cheerio.load(html)
  imgUrl = $(".photo-wrapper img").first().attr("src")
  options =
    url: imgUrl
    encoding: null
  request options, (err, r, body) -> cb(body)

Uploader

Twit = require "twit"
Constants = require "./constants"
URL = "account/update_profile_banner"

module.exports = (body, cb) ->
  b64 = new Buffer(body).toString("base64")
    T = new Twit(Constants)
      T.post URL, banner: b64, -> cb()

Source is here